1/* 2 * Copyright (C) 2013 Google, Inc. All Rights Reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY GOOGLE INC. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GOOGLE INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26#include "config.h" 27#include "core/html/parser/CompactHTMLToken.h" 28 29#include "core/dom/QualifiedName.h" 30#include "core/html/parser/HTMLParserIdioms.h" 31 32namespace blink { 33 34struct SameSizeAsCompactHTMLToken { 35 unsigned bitfields; 36 String data; 37 Vector<Attribute> vector; 38 TextPosition textPosition; 39}; 40 41COMPILE_ASSERT(sizeof(CompactHTMLToken) == sizeof(SameSizeAsCompactHTMLToken), CompactHTMLToken_should_stay_small); 42 43CompactHTMLToken::CompactHTMLToken(const HTMLToken* token, const TextPosition& textPosition) 44 : m_type(token->type()) 45 , m_isAll8BitData(false) 46 , m_doctypeForcesQuirks(false) 47 , m_textPosition(textPosition) 48{ 49 switch (m_type) { 50 case HTMLToken::Uninitialized: 51 ASSERT_NOT_REACHED(); 52 break; 53 case HTMLToken::DOCTYPE: { 54 m_data = attemptStaticStringCreation(token->name(), Likely8Bit); 55 56 // There is only 1 DOCTYPE token per document, so to avoid increasing the 57 // size of CompactHTMLToken, we just use the m_attributes vector. 58 m_attributes.append(Attribute(attemptStaticStringCreation(token->publicIdentifier(), Likely8Bit), String(token->systemIdentifier()))); 59 m_doctypeForcesQuirks = token->forceQuirks(); 60 break; 61 } 62 case HTMLToken::EndOfFile: 63 break; 64 case HTMLToken::StartTag: 65 m_attributes.reserveInitialCapacity(token->attributes().size()); 66 for (Vector<HTMLToken::Attribute>::const_iterator it = token->attributes().begin(); it != token->attributes().end(); ++it) 67 m_attributes.append(Attribute(attemptStaticStringCreation(it->name, Likely8Bit), StringImpl::create8BitIfPossible(it->value))); 68 // Fall through! 69 case HTMLToken::EndTag: 70 m_selfClosing = token->selfClosing(); 71 // Fall through! 72 case HTMLToken::Comment: 73 case HTMLToken::Character: { 74 m_isAll8BitData = token->isAll8BitData(); 75 m_data = attemptStaticStringCreation(token->data(), token->isAll8BitData() ? Force8Bit : Force16Bit); 76 break; 77 } 78 default: 79 ASSERT_NOT_REACHED(); 80 break; 81 } 82} 83 84const CompactHTMLToken::Attribute* CompactHTMLToken::getAttributeItem(const QualifiedName& name) const 85{ 86 for (unsigned i = 0; i < m_attributes.size(); ++i) { 87 if (threadSafeMatch(m_attributes.at(i).name, name)) 88 return &m_attributes.at(i); 89 } 90 return 0; 91} 92 93bool CompactHTMLToken::isSafeToSendToAnotherThread() const 94{ 95 for (Vector<Attribute>::const_iterator it = m_attributes.begin(); it != m_attributes.end(); ++it) { 96 if (!it->name.isSafeToSendToAnotherThread()) 97 return false; 98 if (!it->value.isSafeToSendToAnotherThread()) 99 return false; 100 } 101 return m_data.isSafeToSendToAnotherThread(); 102} 103 104} 105